1 to 25 of 73 Senior Java Developer Jobs

Senior Java Developer Senior Java Developer Job Summary: This person delivers enterprise-grade software solutions with high customer impact. Leads architecture and development activities with a specialization in at least one major enterprise IT application, one major database platform, and one major operating system. Performs all aspects of the development life cycle. Acts as … the senior technical programmer for the assigned enterprise system and/or application of responsibility. Delivers results through independent contributions and through mentoring of junior engineers. Senior Java Developer Minimum Qualifications: Bachelors degree in computer science or related field 6+ years experience in full stack development experience using Java 5+ years relational database experience Senior Java Developer Preferred Skills: Experience developing applications with various versions of Java or JavaEE Experience using Databases (SQL and or NoSQL DBs) Experience with front end technologies (JavaScript, Node.js, Angular, React, or others) Experience with Git Experience leading or mentoring a group of developers API development experience Microservices architecture experience Experience with cloud-based technology and More ❯

Senior Java Developer Career Opportunity Our client, who is a global leader in contact center solutions, is seeking a dynamic individual with high energy and drive to join their Work Force Management (WFM) software development team as a Senior Software Engineer. This engineer will primarily focus on the development of server-side component design, development, testing … and implementation. Experience with client-side development is a plus. This engineer will work in Agile development environment and follow the agile processes and practices. Senior Java Developer Role and Responsibilities Design and develop quality, proficient and well documented technical solutions that satisfy business requirements and meets corporate architectural standards. Develop solid unit, integration, and automation tests … internal and external stakeholders, to influence and drive decision making and support organizational project or product teams. Contributes to the advancement and improvement of Agile practices within the organization. Senior Java Developer Required Skills and Qualification Minimum of 7+ years of professional Java web application development. Expertise in server-side development using Hibernate, Spring, Web Services More ❯

Senior Java Developer | SC Clearance Required | Up to £650 per day (Inside IR35) | Remote with Monthly Visits to London | 6 Month Contract MERITUS are working with a large consulting organisation looking for a Senior Java Developer on a project working into a UK Central Government client. You'll play a key role in designing … coding, reviewing, and testing solutions within the Java stack , collaborating with developers, testers, and DevOps engineers. The position also involves working on automated tests, infrastructure updates, and maintaining high-quality standards across all stages of development. The role is remote with monthly visits into the London office on an initial 6 Month contract. Main Responsibilities: Design, code, review, and … unit test applications using the Java stack. Collaborate with cross-functional teams, including developers, testers, and DevOps engineers. Support and enhance legacy systems currently in maintenance mode. Contribute to automated testing (C#) and infrastructure improvements (Docker, Ansible, Python, Linux). Required Skills: Proven experience with Java, Spring, Maven, Git, JUnit, and Web APIs (REST/JSON, XML/ More ❯

Senior Java Developer | SC Clearance Required | Up to £650 per day (Inside IR35) | Remote with Monthly Visits to London | 6 Month Contract MERITUS are working with a large consulting organisation looking for a Senior Java Developer on a project working into a UK Central Government client. You'll play a key role in designing … coding, reviewing, and testing solutions within the Java stack , collaborating with developers, testers, and DevOps engineers. The position also involves working on automated tests, infrastructure updates, and maintaining high-quality standards across all stages of development. The role is remote with monthly visits into the London office on an initial 6 Month contract. Main Responsibilities: Design, code, review, and … unit test applications using the Java stack. Collaborate with cross-functional teams, including developers, testers, and DevOps engineers. Support and enhance legacy systems currently in maintenance mode. Contribute to automated testing (C#) and infrastructure improvements (Docker, Ansible, Python, Linux). Required Skills: Proven experience with Java, Spring, Maven, Git, JUnit, and Web APIs (REST/JSON, XML/ More ❯

Senior Java Developer - Remote Working Lynx are currently working with a large IT consultancy to help them source a Senior Java Developer . Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Responsibilities: Engaging in the entire software development lifecycle, from gathering … Advocating for and contributing to best practices in software engineering across teams and projects Key skills and experience: Must be either SC cleared or eligible Experience working as a Java Developer Java development experience Experience working within cloud environments If this role sounds of interest, then please apply with your updated CV. More ❯

Senior Java Developer - Leeds City Centre (Hybrid) Up to £60,000 | 4 Days in Office, Friday WFH | AI & Machine Learning I'm recruiting for a forward-thinking tech company based in Leeds City Centre that's transforming how retailers harness AI and machine learning to boost profitability and stay competitive in a rapidly evolving market. They're … looking for an experienced Senior Java Developer to join their talented team of 7 engineers, reporting directly to the Engineering Manager. You'll play a pivotal role in developing intelligent, data-driven software used by major retail clients across the UK, Europe, North America, and Australia. The Opportunity This is a hands-on senior role - ideal … data scientists and product specialists to deliver scalable, high-performance software solutions that integrate the latest AI and ML technologies. Tech Stack & Tools Essential Skills: 8+ years' experience in Java development (commercial) Strong expertise in Spring/Spring Boot Solid experience with Hibernate Desirable Skills: Python or R - exposure to data or ML integration SQL - for data management and More ❯

Milton Keynes (Hybrid - 2-3 days onsite) Salary: £60,000 - £76,000 + Bonus + Benefits Clearance Required: British Citizens only, SC eligible Our client is seeking an experienced Senior Java Developer to help deliver an award-winning AI innovation toolset supporting public sector data transformation. This role sits at the heart of a full-stack team … engineering, cloud deployment, and delivering secure software at scale - this is a standout opportunity to apply your skills in a meaningful way. Responsibilities: Develop robust back-end services using Java and Spring Boot Build secure APIs and contribute to CI/CD automation and cloud-based deployment Collaborate with front-end developers and cross-functional teams on scalable system … design Implement secure coding practices, data processing, and system testing Optimise application performance and maintain high-quality standards across environments What we're looking for: 6+ years' experience in Java-based development within full stack environments Strong skills in Spring Boot, RESTful APIs, and relational databases (PostgreSQL/MySQL) Experience deploying to Windows/Linux, using Docker and DevOps More ❯

Title: Senior Java Developer Richmond, Virginia area USC/GC Cannot negotiate virtual 2nd interview or onsite work. MUST have legacy technology. This is not a microservices/cloud role.This is not a role where a 10 year developer will be successful. Manufacturing, retail, transportation, government seem to be the sectors that match closer to the … system that the client is modernizing. Client is seeking a Senior Java Developer to join our prestigious clients team in theRichmond, Virginia area. This role is onsite 5 days per week and will require the second interview to be held onsite. Relocations can be considered. This position will be primarily focused on feature enhancement of a critical … is essential to business operations. This role is ideal for developers who have over 10 years of backend development and have recently used Spring Framework and Hibernate. Top Skills: Java (versions 8-17) Spring Boot/Spring Framework Hibernate Web Services (SOAP and REST APIs) Key Responsibilities: Provide production support for a mission-critical legacy enterprise Java application. More ❯

Senior Java Developer - contractor Location: Dublin | Model: Hybrid Term: 6+ months | Rate: Top-tier day rate Senior Java Developer required to help shape high-throughput systems for a household name within the Dublin tech scene. You’ll join a modern engineering setup with genuine flexibility (with some on-site collaboration) and the autonomy to … ship clean, scalable services. What you’ll bring: Deep Java expertise building cloud-native microservices Spring Boot as second nature, AWS in your toolbox Solid Agile habits, pragmatic delivery mindset Curiosity about AI-driven efficiencies and a knack for proposing smarter ways to build Interested? Ping Ross Irwin at The Recruitment Company. More ❯

cutting-edge technologies, and they are scaling fast. They believe in clean code, strong ownership, and empowering their engineers to build with purpose. Now, they're looking for a Senior Java Developer with deep Java expertise to join one of their core development teams. The Role As a Senior Java Developer, you'll … split your time between hands-on technical engineering alongside driving best practice and projects. What You'll Do Working primarily in Java (Spring Boot, Hibernate, etc.) Drive design and architecture decisions for scalable, secure, and performant systems Collaborate cross-functionally with Product, Design, and DevOps to deliver high-impact features Conduct code reviews, establish coding standards, and promote engineering … class talent Continuously improve team workflows and development processes Stay hands-on with coding when necessary, especially in system-critical components What They're Looking For Strong expertise in Java and JVM-based systems (8+ years coding experience preferred) Solid background in system design, distributed systems, and cloud architectures (AWS/Azure/GCP) Passion for clean code, testing More ❯

cutting-edge technologies, and they are scaling fast. They believe in clean code, strong ownership, and empowering their engineers to build with purpose. Now, they're looking for a Senior Java Developer with deep Java expertise to join one of their core development teams. The Role As a Senior Java Developer, you'll … split your time between hands-on technical engineering alongside driving best practice and projects. What You'll Do Working primarily in Java (Spring Boot, Hibernate, etc.) Drive design and architecture decisions for scalable, secure, and performant systems Collaborate cross-functionally with Product, Design, and DevOps to deliver high-impact features Conduct code reviews, establish coding standards, and promote engineering … class talent Continuously improve team workflows and development processes Stay hands-on with coding when necessary, especially in system-critical components What They're Looking For Strong expertise in Java and JVM-based systems (8+ years coding experience preferred) Solid background in system design, distributed systems, and cloud architectures (AWS/Azure/GCP) Passion for clean code, testing More ❯

LocationBloomsbury Square, London, United Kingdom# Senior Java Developer at N Consulting LtdLocationBloomsbury Square, London, United KingdomSalary£400 - £450/dayJob TypeContractDate PostedSeptember 12th, 2025Apply NowWork mode: Hybrid, Office location will be Bishopsgate, London Contract duration: 6 months Location: London - JOB DETAILS Role Title: Senior Developer We are seeking a highly skilled and experienced Senior Developer with deep expertise in AWS BluAge modernization tools, Java Spring Boot, and Apache Kafka. The ideal candidate will play a key role in modernizing legacy applications, building scalable microservices, and implementing real time data pipelines. Must have technical skills: AWS BluAge Kafka Java Springboot Nice to have skills: Good to have some knowledge on banking More ❯

Sr Lead Java Developer - FX Options - Inside IR35 Central London - Hybrid - 3 days on site, 2 days remote 12 months Brief My client is looking for an experienced Lead Java Developer with hands-on experience integrating Quant libraries to join their FX Options technology team. In this contract, you'll take a hands-on leadership role … and delivering solutions for the front office. Key Responsibilities Lead the design and re-engineering of a core FX Options trading platform. Integrate Quant libraries (typically C++) into a Java-based system - focusing on integration, not C++ development. Deliver high-quality Java UI (Swing) components for front-office users. Work closely with Quants, Traders, and Risk teams to … Provide technical leadership , oversee solution design, and drive best coding practices. Be hands-on in development, debugging, and platform optimisation. Required Skills 5-10 year's experience as a Java Developer within front-office or trading environments. Strong Java Core and Swing Proven experience integrating Quant or pricing libraries . Solid business knowledge of FX Options and More ❯

Sr Lead Java Developer - FX Options - Inside IR35 Central London - Hybrid - 3 days on site, 2 days remote 12 months Brief My client is looking for an experienced Lead Java Developer with hands-on experience integrating Quant libraries to join their FX Options technology team. In this contract, you'll take a hands-on leadership role … and delivering solutions for the front office. Key Responsibilities Lead the design and re-engineering of a core FX Options trading platform. Integrate Quant libraries (typically C++) into a Java-based system - focusing on integration, not C++ development. Deliver high-quality Java UI (Swing) components for front-office users. Work closely with Quants, Traders, and Risk teams to … Provide technical leadership , oversee solution design, and drive best coding practices. Be hands-on in development, debugging, and platform optimisation. Required Skills 5-10 year's experience as a Java Developer within front-office or trading environments. Strong Java Core and Swing Proven experience integrating Quant or pricing libraries . Solid business knowledge of FX Options and More ❯

JAVA/JEE Developer (Senior) Position Summary We are currently seeking a motivated, career and customer-oriented senior-level Java Developer to join our team to begin an exciting and challenging career. Job Responsibilities • Design and implement Micro Service Architecture JEE software applications • Use modern software engineering tools including Eclipse, Visual Studio Code, and … at formal and informal design reviews and document the design according to the Government's system lifecycle methodology. • Must be well experienced in design and development of Microservice using Java, Spring-Boot, Rest API, JPA and JQL Required Skills and Experience • Bachelor's degree in computer science or related engineering field with 9+ years of technical experience focusing on … Java application development projects • Provisioning, operating, and maintaining systems running on AWS (or equivalent cloud providers) • Strong understanding of RESTful services, API design and implementation. • Good knowledge in technical concepts-Security, Transaction, Monitoring, Performance. • Strong experience in DevOps/CM tools like Git, Jenkins, Artifactory, Maven/Gradle, SonarQube. • Java Micro Service Architecture frameworks such as Spring Boot More ❯

workflow and email notifications into everyday asset management processes and preventative maintenance tracking. In addition, IBM performs these duties to support the annual enterprise inventory process. Task Description: Maximo Senior Application Developer will design and implement auto-scripts and customized java development solutions as directed by the Project Application Architect. He or she will work closely with … the functional and development teams to meet the business requirements of the client. The Senior Developer is responsible for overseeing program design, development, unit testing, debugging, documentation, and quality assurance reviews. The Lead Senior Developer instructs, directs, and oversee other technical personnel. The Lead Senior Developer shall report all residual deficiencies, complete all change … Experience: Must have at least seven (7) years of software development experience with hands-on practical experience in the specific programming languages and technologies to be used in customizing Java Classes and Objects in Maximo. Shall have at least five (5) years of experience with Maximo. Shall have completed the IBM Certified Application Development - Maximo Application Platform V3.2.1 certification More ❯

Role: Senior Java Full Stack Engineer Industry: Consultancy (Public/Government & Private Sector) My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformation & NextGen AI Solutions, with offices in London, Manchester, Newcastle and Glasgow, providing flexi working model (option of remote or hybrid with ad hoc client site travel). They are … looking for a Senior Java Full Stack Engineer's (Jnr-Mid level) to join a rapidly growly team, building cutting-edge digital solutions, primarily within Government, Finance, Retail & Energy sectors. Top end budget of £70k + disc bonus + full benefits + flexi working (option of remote or hybrid plus ad hoc client site travel) Primary requirements as … a Senior Java Full Stack Engineer: Must be eligible for SC Clearance Extensive experience of building microservices with Java (Spring Boot) (and NodeJS as a bonus) Experience with cloud technologies such AWS or Azure Experience with CI/CD (Gitlab, GitHub, Jenkins) Experience using version control software - Git Experience using online version control tools – Bitbucket, GitHub, GitLab More ❯

Senior Java Developer - Leeds City Centre (Hybrid) Up to £60,000 4 Days in Office, Friday WFH AI & Machine Learning I'm recruiting for a forward-thinking tech company based in Leeds City Centre that's transforming how retailers harness AI and machine learning to boost profitability and stay competitive in a rapidly evolving market click apply More ❯

Senior Java DevOps Developer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local Anticipated Posting End: 1/5/2026 The Opportunity: CACI is looking to hire a Senior Java DevOps Developer to … join their team. In this unique role you'll be responsible for designing, developing, integrating and testing Java software components in a scalable architecture. Familiar with Agile/Scrum methodologies and able to accurately assess story points and complete tasking within estimates. Able to both work independently and collaborate as part of a team working towards a common enterprise … leverage common architectural styles and patterns (SOA, Microservice, Layered, Clean, Event Sourcing, CQRS, etc.) Understand and apply quality techniques and practices (automated unit testing, Test Driven Design/Development, java performance analysis, continuous integration) Problem and modification identification, classification, and prioritization Design and development of RESTful APIs Experience with relational (postgres) and non-relational (opensearch) databases Creation and maintenance More ❯

Senior Back-End Developer, Java Spring Boot, Hybrid, COR7370 Are you a skilled Back-End Developer with strong Java Spring Boot expertise, looking for your next challenge? Join a forward-thinking team shaping the future of AI-powered solutions. The Role As a Senior Back-End Developer, you'll design and maintain scalable … secure, and high-performing services using Java Spring Boot. You'll build and optimise RESTful APIs, work closely with front-end teams to deliver seamless integrations, and ensure robust database management. With opportunities to experiment with AI-driven automation, this role offers a chance to influence cutting-edge back-end architecture. The Company Our client is transforming the way … projects. The role is primarily remote working, with one day per week from their offices near Leamington Spa. What's Required? The ideal candidate will have: Strong experience with Java and Spring Boot A solid understanding of RESTful API development and microservices Proficiency with relational databases and query optimisation along with experience with DevOps tools is desirable An interest More ❯

Lead Java Developer Rate: Up to £700/day Inside IR35 Location: Leeds - 3 Days Onsite Per Week Contract: 12 Months About the Role We're looking for a Lead Java Developer to join a major national digital transformation programme. The successful candidate will help build and improve high-traffic citizen-facing services used by millions … across the UK. You'll lead or mentor a team of Java developers, deliver robust, scalable solutions, and contribute to modernising a complex digital estate. This is a hands-on technical leadership role for someone who thrives in collaborative, Agile environments and wants their work to have a tangible impact on society. Key Responsibilities Lead or guide a team … of Java developers on large-scale digital services. Design, build, and enhance server-side applications and APIs for internal and external use. Build and maintain automated test suites to support continuous deployment. Contribute to scaling and improving high-traffic web platforms. Provide 2nd-line support for applications and platforms, including occasional out-of-hours support. Communicate technical concepts clearly More ❯

Contract Opportunity: Senior Java Spring Boot Developer with KPI Solutions in Cincinnati, OH Remote, with monthly travel for workshops Are you a Java Spring Boot expert looking for your next challenge? Are you ready to revolutionize warehouse automation with KPI Solutions' cutting-edge technology? Do you thrive in a fast-paced, Agile organization? If yes, we … want to talk with you! We are looking for a skilled Senior Java Spring Boot Developer (Contractor) to join our team. This role involves developing and integrating Java-based microservices, particularly connectors for third-party controls vendors, within our Warehouse Execution System (WES). You will collaborate with architects, product owners, QA, and other development teams More ❯

the world safe and secure. Program Overview About The Role Build the Future of National Security-One Line of Code at a Time Are you ready to apply your Java development skills to something that truly matters? Peraton is looking for a driven, innovative Senior Java Developer to join our team of qualified and diverse professionals. … to 5 days per week as needed.Day to Day Work Responsibilities: Responsible for leading the design and development of multiple applications for a large-scale Federal IT Program using Java and Spring-based REST APIs along with a Web 2.0 framework in a continuous integration environment. Lead software development teams in implementing solutions and conducting detailed design reviews. Design … and building powerful, secure web and back-end systems for credentialing and case management. Work with Java/Spring-based REST APIs and modern web frameworks in a continuous integration environment. Collaborate with users and stakeholders to define and deliver efficient, scalable software solutions. Enhance functionality by integrating open-source tools and modern UI technologies. Perform clean, testable code More ❯

Halian Technology are currently looking to hire a Senior Java Developer to work in the HealthTech space. We are looking for a UK-based professionals with a strong background in Java who want to work on a greenfield build with some of the latest technologies. You will not be alone in this joining a team of … 20+ senior engineers who are writing code to change peoples lifes so exciting time to sign up with this privately owned business. Key Skills needed: Java Development SQL Experience with one of UI technology CI/CD technologies The roles are Hybrid in Berkshire (Bracknell Area) Please note you must be UK-based/have the right to More ❯

1. Job purpose We are looking for a sharp Senior Java Developer to play a key role in a small collaborative team building trading venues and associated infrastructure. We follow rapid development and deployment cycles for projects and share ownership of the entire codebase, so you will get great experience across a variety of exchange applications and … financial product types. We care about the code that we write and we want a developer that is more interested in writing clean, maintainable, efficient code rather than a quick hack. Any former experience with specific cryptocurrencies, and/or related skills such as decentralized finance (DeFi), tokenisation, trading, matching engine, clearing and settlement as well as capital markets … system integration will be a very useful complement to the above. 2. Key technology used Primary: Java 8+ Secondary: Spring FIX Hibernate (Postgres) Sockets Linux Maven AWS/Cloud deployment SVN/GIT EPL (Esper) JMS (ActiveMQ) 3. Methodology Agile/Scrum Continuous integration Test automation TDD 4. Requirements Must have Core Java SE Desire to learn Passion More ❯